Sip: on some seasonal Egg Nog, with this simple, shaker-based recipe

Weekend browsing:

• Chessboxing I: a new documentary, By Rook or Left Hook, now available to stream

• Chessboxing II: the first post-pandemic live event in London, Season’s Beatings 2021, this Saturday night. Tickets here, or watch free on livestream

• Engage warp drive: has a new discovery shown a physics-friendly path to faster-than-light travel?

• A fan-funded film about the birth of Christ has topped the US box office and taken $10m in its first week. There’s a livestream on Monday night at 1am GMT for night owls

Listen: John Prine, Christmas in Prison

“She reminds me of a chess game

With someone I admire

Or a picnic in the rain

After a prairie fire…“